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Finding the Fourth Proportional to 368,030.63, 507,884.40 and 206,884.27

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Solution

The fourth proportional to 368,030.63, 507,884.40 and 206,884.27 is: 285,501.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,030.63 : 507,884.40 = 206,884.27 : x
  2. Step 2: Convert to fraction form
    368,030.63/507,884.40 = 206,884.27/x
  3. Step 3: Cross multiply
    368,030.63x = 507,884.40 × 206,884.27
  4. Step 4: Simplify right side
    368,030.63x = 105,073,292,068.68
  5. Step 5: Solve for x
    x = 105,073,292,068.68/368,030.63
  6. Step 6: Final answer
    x = 285,501.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.